def find(X):
    rate = X//200
    return 10-rate

print(find(int(input()))) def find(X):
    rate = X//200
    return 10-rate find rate = X//200 rate X//200 X 200 return 10-rate 10-rate 10 rate X X print(find(int(input()))) print find(int(input())) find int(input()) int input() input def find(X):
    rate = X//200
    return 10-rate def find(X):
    rate = X//200
    return 10-rate find
def find(X):
    rate = X//200
    return 10-rate

print(find(int(input())))